▎ 摘　　要

NOVELTY - Preparing graphene-modified lithium iron phosphate anode material comprises (i) dissolving graphene oxide in water, ultrasonically dispersing for 1-4 hours, and preparing the solution and then adding hydrochloric acid solution, the volume ratio of the graphene oxide solution and the hydrochloric acid solution is 3-5:1, and then adding the aluminum powder with 4-6 times the mass of the graphene oxide, and reacting for 30-60 minutes to obtain reduced graphene oxide-aluminum solution, (ii) adding iron source, phosphorus source, lithium source to the reduced graphene oxide-aluminum solution, and the ratio of the total mass of iron source, phosphorus source, and lithium source to the mass of the mixed solution is ( 0.5-2):1, mixing evenly, heating up to 60-80℃ and reacting for 2-4 hours, (iii) drying at 120-180℃ for 12-18 hours, and sintering at high temperature at 600-900℃ for 8-12 hours to obtain grapheme-modified lithium iron phosphate anode material. USE - The method is useful for preparing a graphene-modified lithium iron phosphate anode material which is useful in lithium-ion battery material and in lithium battery. ADVANTAGE - The method provides lithium iron phosphate anode material having excellent dispersion performance and aluminum utilization efficiency of the graphite, and excellent conductivity and provides higher charging and discharging specific capacity and longer cycle life.